A metal alloy weighing 4 kg and
containing 90% gold is melted and mixed
with 1 kg of a different alloy which
contains 30% gold. What percent of the
resulting alloy is gold?
A) 78% B) 90%
C) 32% D) 50%

the fist one is not equalvalent but i think th second one isand the third isnt definetly or the last one is i think. hope this !

step-by-step explanation:

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol

answer: list the statements and i will follow up!

step-by-step explanation:

a

step-by-step explanation:

the denominator cannot be the same as one of the factors.

8 denominator times 2 denominator = 16

and 7 numerator time 11 = 77

77/16= 77/16 ( they cannot be further simplified)